hp-Finite Element Methods for Singular Perturbations, PDF eBook

hp-Finite Element Methods for Singular Perturbations PDF

Part of the Lecture Notes in Mathematics series

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Many partial differential equations arising in practice are parameter-dependent problems that are of singularly perturbed type.

Prominent examples include plate and shell models for small thickness in solid mechanics, convection-diffusion problems in fluid mechanics, and equations arising in semi-conductor device modelling.

Common features of these problems are layers and, in the case of non-smooth geometries, corner singularities.

Mesh design principles for the efficient approximation of both features by the hp-version of the finite element method (hp-FEM) are proposed in this volume.

For a class of singularly perturbed problems on polygonal domains, robust exponential convergence of the hp-FEM based on these mesh design principles is established rigorously.

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